并列题名：Seeing and discovering Seeing and discovering 并列题名：Inventions and discoveries 并列题名：Aching and Suffering 并列题名：Brazing and soldering 并列题名：On seeing and noticing 并列题名：Pursuit and discovery 并列题名：Embarking and pioneering 并列题名：1000 inventions and discoveries 并列题名：Freehand drawing and discovery